OPA391DCKRAlternatives & Equivalent Parts
About OPA391DCKR
OPA391DCKR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | OPA391DCKRSource | OPA391DCKT |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.9560 | $1.2800 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 15 | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00003 µA | 0.00003 µA |
| Bias Current-Max (IIB) @25C | 8e-7 µA | 8e-7 µA |
| Common-mode Reject Ratio-Min | 100 dB | 100 dB |
| Common-mode Reject Ratio-Nom | 121 dB | 121 dB |
| Frequency Compensation | YES | YES |
| Input Offset Current-Max (IIO) | 8e-7 µA | 0.00003 µA |
| Input Offset Voltage-Max | 45 µV | 45 µV |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e4 | e4 |
| Low-Bias | YES | YES |
| Low-Offset | YES | YES |
| Micropower | YES | YES |
| Number of Functions | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Power | NO | NO |
| Programmable Power | NO | NO |
| Slew Rate-Nom | 1 V/us | 1 V/us |
| Supply Current-Max | 0.032 mA | 0.032 mA |
| Supply Voltage Limit-Max | 6 V | 6 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V |
| Surface Mount | YES | YES |
| Technology | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Unity Gain BW-Nom | 1000 | 1000 |
| Voltage Gain-Min | 31622.776 | 31622.776 |
| Wideband | NO | NO |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for OPA391DCKR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating OPA391DCKR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for OPA391DCKRFAQ
What is equivalent to OPA391DCKR?
Known equivalents for OPA391DCKR include OPA391DCKT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA391DCKR?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify OPA391DCKR alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.